class Solution {

    public static String toLowerCase() {
        String s = "LOVELY";
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < s.length(); ++i) {
            char ch = s.charAt(i);
            if (ch >= 65 && ch <= 90) {
                ch |= 32;
            }
            sb.append(ch);
        }
        return sb.toString();
    }
    public static void main(String[] args) {
       String s = Solution.toLowerCase();
        System.out.println(s);
    }
}